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논문 기본 정보

자료유형
학술저널
저자정보
윤구섭 (서울대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제24권 제5호
발행연도
1988.1
수록면
707 - 715 (9page)

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초록· 키워드

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The data on the normal measurement of spinal cord are essential for an objective assessment of equivocal change of spinal cord size in the various clinical settings. The present study was therefore undertaken to evalua-te normal range of spinal cord dimensions in Korans. CT myelography of the cervcal and thoracic region was performed in 60 patients who had symptoms referable to lumbosacral region and then computed tomographic measurement of spinal cord and dural sac was performed. The results are as follows: 1. The anteroposterior diameter of spinal cord was maximum, at C1 level(8.6 $\pm$1.4mm) and minimum at T6 level (6.4$\pm$1.7mm), 2. the transverse diameter of spinal cord was maximum at C4 and C5 levels (13.3$\pm$1.6mm) and minimum at T8 (8.1$\pm$1.9mm) and T10 (8.1$\pm$1.3mm) levels. 3. The area of spinal cord was maximum at C5 level(76$\pm$16mm2) and minimum at T6 (40 $\pm$24mm2) and T8 (40$\pm$23mm2) levels. 5. The ratio of anteroposterior diameter of spinal cord/dural sac was maximum at C4 level (0.73$\pm$0.14)and minimum at T12 level(0.52$\pm$0.15). the ratio of transverse diameter of spinal cord/dural sac was maximum at C3(0.66$\pm$0.14) levels and minimum at T12 level;(0.29$\pm$0.20), 6. The locationof cervical cord in dural sac was mainly ventral (56%) at C1 level middle(40-73%) from C2 to C6 level and dorsal (44%) at C7 level. The location of thoracic cord in dural sac was chiefly middle(61%) at T2 level and lower thoracic level(T10 : 60% and T12: 51%) and mainly ventral (59-84%) at other levels.

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